_PyImport_Inittab: define the exceptions module's init function.
Fixes bug #121706.
diff --git a/Modules/config.c.in b/Modules/config.c.in
index 0d5e8b0..5a5878f 100644
--- a/Modules/config.c.in
+++ b/Modules/config.c.in
@@ -37,7 +37,7 @@
 	{"__main__", NULL},
 	{"__builtin__", NULL},
 	{"sys", NULL},
-	{"exceptions", NULL},
+	{"exceptions", init_exceptions},
 
 	/* Sentinel */
 	{0, 0}